There is provided an information processing device including an acquisition unit configured to acquire a date of prescription of a prescription drug and the number of days of prescription of the prescription drug, a calculation unit configured to carry out division based on the number of days of prescription of the prescription drug and the number of days of prescription of another prescription drug and identify whether or not the prescription drug is a long-acting medicine based on whether or not a result of the division satisfies a predetermined condition, and a medication schedule generation unit configured to generate medication schedule information of the prescription drug based on the date of prescription of the prescription drug and the number of days of prescription of the other prescription drug when the prescription drug is the long-acting medicine.